ECS-271.2-10-33B-CKM-TR

## RoHS 

The miniature ECS-33B is a compact SMD Crystal that offers low aging of ±1 ppm first year.  The industry standard 3.2 x 2.5 x 0.8 mm ceramic package is ideal for today’s wireless applications. 

## **ECS-33B SMD CRYSTAL** 

## **Request a Sample** 

## **ECS-33B SMD CRYSTAL** 

- IOT/Wearable applications 

- SmartHome Sensors 

- BTLE, Wi-Fi wireless 

- Low Aging 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

**PARAMETERS CONDITIONS ECS-33B UNITS MIN TYP MAX** ~~a~~ Frequency 10.000 54.000 MHz Mode of Oscillation Fundamental ~~es~~ Frequency Tolerance* (C) @ +25°C ± 10 ppm ~~a es ee es po~~ Frequency Stability* (WN) -40 ~ +85°C ± 15 ppm ~~po~~ Shunt Capacitance Co 3 pF ~~es~~ Load Capacitance Specify in P/N 8 pF ~~es~~ Drive Level DL 200 μW ~~es~~ Operating Temperature* Topr -40 +85 °C ~~es~~ Storage Temperature ~~es~~ Tstg -40 +125 °C ~~es~~ Aging (First Year) @ +25°C ±3°C ±1 ppm 

## **DIMENSIONS (mm)** 

|**Frequency (MHz)         ESR Ω Max.**|**Frequency (MHz)         ESR Ω Max.**|
|---|---|
|10.000 ~ 15.999|100|
|16.000 ~ 20.999|60|
|21.000 ~ 54.000|40|



_**Figure 1)** Top, Side, and Bottom_ 

Crystal is symmetrical, pad 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical significance. 

|**Pad Connections**|**Pad Connections**|
|---|---|
|1|In/Out|
|2|Gnd|
|3|Out/In|
|4|Gnd|



_**Figure 2)** Suggested land_ 

**PART NUMBERING GUIDE:  Example ECS-160-9-33B-CWN-TR** 

|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**||**LOAD**|||**PACKAGE**|**PACKAGE**|||**AVAILABLE OPTIONS**|**AVAILABLE OPTIONS**|**AVAILABLE OPTIONS**||**PACKAGING**|**PACKAGING**|**PACKAGING**||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||**CAPACITANCE**|||||Tolerance           Stability                 Temp Range|||Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range|Tolerance           Stability                 Temp Range||||
||||||||||||||||||||
|160 = 16.000  MHz<br>ECS||||||-33B =|||Blank = Std||Blank= Std||Blank= Std||||TR =||
|See P/N Guide||||8 = 8 pF*||ECS-33B|||A = ± 25ppm<br>J = ± 20ppm<br>R = ± 15ppm<br>C = ± 10ppm||G = ± 30 ppm<br>H = ± 25 ppm<br>T = ± 20 ppm †<br>W = ±15 ppm †||L =   -10 ~ +70°C<br>M = -20 ~ +70°C<br>Y  =  -30 ~ +85°C<br>N =  -40 ~ +85°C||||Tape<br>& Reel<br>1K/Reel||
|* Specify available options in P/N.|||||||||7 = ± 7 ppm||K = ± 10 ppm †||P =  -40 ~ +105°C||||||
|† Contact ECS for availability over extended temp range.||||† Contact ECS for availability over extended temp range.|||||||Z = ±9 ppm†||S =  -40 ~ +125°C||||Rev.2019||



* Specify available options in P/N. † Contact ECS for availability over extended temp range. 

## **ECS-33B** COMPLIANT **SMD CRYSTAL** 

## **POCKET TAPE DIMENSIONS (mm)** 

|[OLFSLe<br>ase a|35[|oo)|Le[ta<br>oo)|[ta<br>oo)|[taoye<br>oo)||oye||
|---|---|---|---|---|---|
|**SOLDER PROFILE**||||||
|||||||
|Peak solder Temp+260°C Max 10 sec Max.|+260°C Max 10 sec Max.|||**DEVELOPED FREQUENCIES**||
|2 Cycles Max.||||Abbreviation|Frequency (MHZ)|
|MSL 1,Lead Finish Au||||120|12.000|
|||||160|16.000|
|||||192|19.200|
||,|1041 sec.||200|20.000|
|#260°cPeak_——>||||240|24.000|
|||||245.7|24.576|
|+220 °C||||250|25.000|
|||||260|26.000|
|||||270|27.000|
|||||300|30.000|
|||||320|32.000|
|||||360|36.000|
|1|120420sec.|||400<br>480|40.000<br>48.000|
|||||500|50.000|



_**Figure 1)** Suggested Reflow Profile_